Results 11 to 20 of about 3,875,923 (367)
Relating Entropies of Quantum Channels [PDF]
Entropy, 2021 In this work, we study two different approaches to defining the entropy of a quantum channel. One of these is based on the von Neumann entropy of the corresponding Choi–Jamiołkowski state.
Dariusz Kurzyk +2 more
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Selfcomplementary quantum channels [PDF]
Open Systems & Information Dynamics, 2016 Selfcomplementary quantum channels are characterized by such an interaction between the principal quantum system and the environment that leads to the same output states of both interacting systems.
Roga, Wojciech +2 more
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Quantum Optimal Transport with Quantum Channels [PDF]
Annales Henri Poincaré, 2019 We propose a new generalization to quantum states of the Wasserstein distance, which is a fundamental distance between probability distributions given by the minimization of a transport cost.
Giacomo De Palma, Dario Trevisan
semanticscholar +8 more sources
Coexistence of entanglement-based quantum channels with DWDM classical channels over hollow core fibre in a four node quantum communication network [PDF]
npj Quantum InformationWe experimentally demonstrate the coexistence of three entanglement-based quantum channels with carrier-grade classical optical channels over 11.5 km hollow core nested antiresonant nodeless fibre, in a four user quantum network.
Marcus J. Clark +12 more
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Quantum Information Transmission Over a Partially Degradable Channel [PDF]
IEEE Access, 2014 We investigate a quantum coding for quantum communication over a partially degradable (PD) quantum channel. For a PD channel, the degraded environment state can be expressed from the channel output state up to a degrading map.
Laszlo Gyongyosi
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Simulating the quantum switch with quantum circuits is computationally hard [PDF]
Nature CommunicationsHigher-order transformations acting on input quantum channels in an indefinite causal order—such as the quantum switch—cannot be described by quantum circuits using the same number of calls to the input channels. A natural question is whether they can be
Jessica Bavaresco +6 more
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Coherifying quantum channels [PDF]
New Journal of Physics, 2018 Is it always possible to explain random stochastic transitions between states of a finite-dimensional system as arising from the deterministic quantum evolution of the system?
Kamil Korzekwa +3 more
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Performance Analysis of Quantum Channels [PDF]
International Workshop on Signal Processing Advances in Wireless Communications, 2018 We study the quality of service in quantum channels. We regard the quantum channel as a queueing system, and present queueing analysis of both the classical information transmission and quantum information transmission in the quantum channel.
Fengyou Sun
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Quantumness and Dequantumness Power of Quantum Channels. [PDF]
Entropy (Basel), 2022 Focusing on the dynamics of quantumness in ensembles, we propose a framework to qualitatively and quantitatively characterize quantum channels from the perspective of the amount of quantumness in ensembles that a quantum channel can induce or reduce. Along this line, the quantumness power and dequantumness power are introduced.
Song H, Li N.
europepmc +4 more sources
Quantum Chaos and Coherence: Random Parametric Quantum Channels [PDF]
Quantum, 2023 The survival probability of an initial Coherent Gibbs State (CGS) is a natural extension of the Spectral Form Factor (SFF) to open quantum systems. To quantify the interplay between quantum chaos and decoherence away from the semi-classical limit, we ...
Apollonas S. Matsoukas-Roubeas +2 more
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